Home / 9,200.79-13,800.87-2,961.23

Finding the Fourth Proportional to 9,200.79, 13,800.87 and 2,961.23

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Solution

The fourth proportional to 9,200.79, 13,800.87 and 2,961.23 is: 4,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.79 : 13,800.87 = 2,961.23 : x
  2. Step 2: Convert to fraction form
    9,200.79/13,800.87 = 2,961.23/x
  3. Step 3: Cross multiply
    9,200.79x = 13,800.87 × 2,961.23
  4. Step 4: Simplify right side
    9,200.79x = 40,867,481.27
  5. Step 5: Solve for x
    x = 40,867,481.27/9,200.79
  6. Step 6: Final answer
    x = 4,441.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.